html,body,.outer{
  height: 100%;
  font-family: 'Microsoft YaHei','宋体',sans-serif;
  font-size: 14px;
}
.header{
  background: #404040;
  position: fixed;
  height: 50px;
  width: 100%;
  left:0;
  top:0;
  z-index: 10;
}
.header:before{
  content: '';
  width: 0;
  height: 100%;
  display: inline-block;
  vertical-align: middle;
}
.h-logo{
  background: #757474;
  display: inline-block;
  width: 125px;
  line-height: 30px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 15px;
  text-align: center;
  color:#fff;
  font-size: 22px;
}
.h-menu{
  float: right;
  color: #fff;
  line-height: 50px;
  cursor: pointer;
}
.h-menu:hover .h-menu-title{
  background: #757474;
}
.h-menu:hover .h-menu-list{
  display: block;
}
.h-menu-title{
  padding:0 15px;
}
.h-menu-title>span{
  margin: 0 10px 0 0;
}
.h-menu-list{
  background: #757474;
  display: none;
}
.h-menu-list-item{
  padding: 0 20px;
}
.h-menu-list-item:hover{
  background: #9c9c9c;
}
.h-menu-list-item+.h-menu-list-item{
  border-top:1px solid #9c9898;
}
.aside{
  background: #545454;
  position: fixed;
  top:50px;
  bottom:0;
  left:0;
  width: 170px;
  z-index: 9;
}
.lf-nav-box{

}
.lf-nav-title{

}
.lf-nav-item{
  padding: 0 15px;
  display: block;
  color: #fff;
  text-decoration: none;
  line-height: 40px;
}
.lf-nav-item:hover,.lf-nav-item.active{
  background: #a2a2a2;
}
.lf-nav-item>i{
  margin-right: 5px;
}
.content{
  background: #fff;
  position: fixed;
  top: 50px;
  bottom: 0;
  left: 170px;
  right: 0;
  padding: 10px 15px 50px;
}